You know that feeling where you haven’t even heard a song yet, but you also know that it’s going to be inescapable pretty soon? I’m getting that feeling about this new Katy Perry song “Chained To The Rhythm.” Yesterday, we posted the news that Perry was planning to debut her new single during Sunday night’s Grammy Awards telecast. And today, HITS Daily Double reports that the song has quite a pedigree. According to that site, dominant pop maestro Max Martin produced the song, and Perry co-wrote it with Sia. The song will also feature Skip Marley, Bob Marley’s 20-year-old grandson, which raises some questions. Like: How in the fuck does Bob Marley have a grandson named Skip? Based on a couple of teasers that Perry has posted on Twitter, it looks like we’ll get to hear the song on Friday. Observe: